/*layout5.css*/
* {font-size: 16px;margin:0;padding:0;}
#container{background:#334455;width:100%;height:700px;}
#header{background:#FF4455;width:100%;height:150px;}
#logo{background:#FFDD55;width:100%;height:100px;}
#nav{background:#FFDD99;width:100%;height:50px;}
#main{background:#33DD55;width:100%;height:500px;overflow:hidden;/*清除浮动*/}
#left{background:#33FBFB;width:33%;height:100%;float:left;}
#left_up_1{background:#99BBDD;width:100%;height:125px;}
#left_up_2{background:#AABBCC;width:100%;height:125px;}
#left_down_1{background:#BBCCDD;width:100%;height:125px;}
#left_down_2{background:#CCDDEE;width:100%;height:125px;}
#center{background:#88FBFB;width:34%;height:100%;float:left;}
#center_up{background:#66ff66;width:100%;height:200px;}
#center_down{background:#45DD22;width:100%;height:300px;}
#right{background:#DDFBFB;width:33%;height:100%;float:left;}
#right_up{background:#55DDFB;width:100%;height:150px;}
#right_down{background:#667733;width:100%;height:350px;}
#footer{background:#DDDD11;width:100%;height:50px;}